51529400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19819}}^1$

素因数の和:19848

約数の個数: 48

約数和(自身を含む): 129028200

約数和(自身を除く): 77498800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 19819, 39638, 79276, 99095, 158552, 198190, 257647, 396380, 495475, 515294, 792760, 990950, 1030588, 1288235, 1981900, 2061176, 2576470, 3963800, 5152940, 6441175, 10305880, 12882350, 25764700, 51529400]

約数ペア:

[(1, 51529400), (2, 25764700), (4, 12882350), (5, 10305880), (8, 6441175), (10, 5152940), (13, 3963800), (20, 2576470), (25, 2061176), (26, 1981900), (40, 1288235), (50, 1030588), (52, 990950), (65, 792760), (100, 515294), (104, 495475), (130, 396380), (200, 257647), (260, 198190), (325, 158552), (520, 99095), (650, 79276), (1300, 39638), (2600, 19819)]